Exercise: Exam Question Papers
Questions for: Exam Question Papers
A uniform plane wave is described by the equation H = 
A/m. If the velocity of the wave is 2 x 108 m/s and εr = 1.8, then. The frequency of the wave is
A/m. If the velocity of the wave is 2 x 108 m/s and εr = 1.8, then. The frequency of the wave is
Answer: D
r = 0.1p
.
The electric field vector 
of a wave in free space (εo, μo) is
Its magnetic field vector
will be given by
of a wave in free space (εo, μo) isIts magnetic field vector
will be given by
A: 
B: 
C: 
D: 
Answer: C
Now 
∴ 
(use B = μ0 H) .
Which of the following is equivalent to x?
Answer: B
Truth table of X-NOR gate :
i.e. when an input to the X-NOR gate is '0' then the other input to the gate is complemented at the output.
A surface charge density of 8 nc/m2 is present on a plane x = z. A line charge density of 30 nC/m is present on line x = 1, y = 2 Find VAB for points A(3, 4, 0) and B(4, 0, 1)
Answer: A
Potential due to surface charge
∴ 
∴ 
= 144pv = 452.16v
Potential due to line charge at x = 1 and y = 2
The Z-transform of a signal is given by 
its final value is __________ .
its final value is __________ .
Answer: D
Final value 
Final value 
Final value
.
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